Finding the Fourth Proportional to 444,182.50, 612,976.71 and 242,978.50

Step by Step Solution

1. Step 1: Write the proportion equation
   444,182.50 : 612,976.71 = 242,978.50 : x
2. Step 2: Convert to fraction form
   444,182.50/612,976.71 = 242,978.50/x
3. Step 3: Cross multiply
   444,182.50x = 612,976.71 × 242,978.50
4. Step 4: Simplify right side
   444,182.50x = 148,940,161,530.74
5. Step 5: Solve for x
   x = 148,940,161,530.74/444,182.50
6. Step 6: Final answer
   x = 335,312.99